// (c) Written by: Lior Zur, 2007
// Released under the GPL license (http://www.gnu.org/copyleft/gpl.html)
// v0.2 (6.4.2007)
//
// ==UserScript==
// @name TAU Library Catalog Enhancer
// @namespace http://mywebsite.com/myscripts
// @description Improves Alef Catalog, of Tel-Aviv University's library.
// @include http://genesis.tau.ac.il/*
// @include http://taulib1.tau.ac.il/*
// @include http://taulib.tau.ac.il/*
// ==/UserScript==
// Functions:
function $(id) {
return document.getElementById(id);
}
function $x(p, context) {
if (!context) context = document;
var i, arr = [], xpr = document.evaluate(p, context, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
for (i = 0; item = xpr.snapshotItem(i); i++) arr.push(item);
return arr;
}
function addGlobalStyle(css) { var head, style; head = document.getElementsByTagName('head')[0];
if (!head) { return; } style = document.createElement('style');
style.type = 'text/css'; style.innerHTML = css; head.appendChild(style);
}
//End functions
var currentURL = location.href;
var f;
var allElements, thisElement;
var reIsSearch = /\?func=scan/ //= "Search in Alphabetical listings" (from Basic search mostly, including Author, Title, Magazine.)
var reIsFind = /\?func=find/, reIsFind2 = /\?func=short/ //= actual listings of books. ("results of last search")
var reIsReprint = /\?func=service/ //="electronic reprint -- perhaps also other resources.
// Find out which page is it:
var isSearch = (reIsSearch.test(currentURL));
var isReprint = (reIsReprint.test(currentURL));
var isFind = (reIsFind.test(currentURL) || reIsFind2.test(currentURL));
// Are we in English or Hebrew mode?
allElements = $x("//a[contains(text(),'Your Library Card')]");
var isHebrewMode = (allElements.length <= 0)?true:false;
// Fix link mix-up when searching for authors (in Hebrew mode).
if (isSearch && isHebrewMode ) {
allElements = $x("//a[contains(text(),'Cross References')]");
for (f = 0; f < allElements.length; f++) {
thisElement = allElements[f];
thisElement.setAttribute("dir","ltr");
}
}
// Automatically click "Agree" when viewing electronic reprints, and skip that license.
if (isReprint) {
allElements = $x("//img[contains(@alt,'Link to Object')]/parent::a");
if (allElements.length > 0)
location.href = allElements[0].href;
}
// Highlight "electronic reprints" links (and fix javascript)
if (isFind) {
// Any online resource:
allElements = $x("//a[contains(@href,'service_type=MEDIA') and not(contains(text(),'Table of contents')) and not(contains(text(),'Publisher description'))]");
for (f = 0; f < allElements.length; f++) {
thisElement = allElements[f];
thisElement.setAttribute ("dir","ltr");
thisElement.style.backgroundColor = "#fffabd";
thisElement.style.textDecoration = "none";
thisElement.style.borderBottom = "#efb311 1px solid";
}
// Just the reprints, proper: (note - previous xpath should already include them.)
allElements = $x("//a[contains(text(),'Electronic reprint.')]");
for (f = 0; f < allElements.length; f++) {
thisElement = allElements[f];
thisElement.style.backgroundColor = "#ffee8b";
thisElement.style.borderBottom = "#ffbf2c 1px solid";
}
// Replace javascript links with regular ones.
allElements = $x("//a[contains(@href,'service_type=MEDIA') and contains(@href,'javascript')]");
for (f = 0; f < allElements.length; f++) {
thisElement = allElements[f];
thisElement.href = unescape(/\(['"](.+?)["']/.exec(thisElement.href)[1]); //this tiny bit is from http://userscripts.org/scripts/show/2014 (jillian)
}
}
// Query if item is there.
if (isFind) {
allElements = $x("//td[contains(@class,'page_title')]");
var linkBookAvailability = document.createElement('a');
linkBookAvailability.innerHTML = " Check Availability of Books ";
linkBookAvailability.setAttribute("id","gm_linkbookavail");
addGlobalStyle('a#gm_linkbookavail { text-align:left; display: block; background-color: #fef8c7; border: 1px solid #eab742; width: 10em; font-size: 11px; color: #cc5401; cursor: pointer; padding: 1px 5px;}'+
'a#gm_linkbookavail:hover {background-color: red;}');
allElements[0].appendChild(linkBookAvailability);
linkBookAvailability.addEventListener("click",
function () { //Start Encapsulate BookAvailability functionality
this.style.visibility = "hidden";
///////////////////////////////////////////
function initiateBookQuery (bookLink) {
var myOriginalLink = bookLink; //Closure!
GM_xmlhttpRequest({
method: 'GET', url: bookLink.href,
headers: { 'User-agent': 'Mozilla/4.0 (compatible)', 'Accept': 'application/atom+xml,application/xml,text/xml', },
onload: function (responseDetails){
//CLOSURE: myOriginalLink
var isBookAvailable = analyzeAvailability (responseDetails.responseText);
updateLinkStatus(myOriginalLink, isBookAvailable);
}
}); //End xmlHttpRequest
}
function analyzeAvailability (response){
// Analyze the HTML of a response and tell whether book is available
var hebReturnDate = String.fromCharCode(1514, 1488, 1512, 1497, 1498, 32, 1492, 1495, 1494, 1512, 1492);
var htmlReturnDate = "<!--" + ((isHebrewMode)?hebReturnDate:"Due date") + "-->"
var i;
while ((i = response.indexOf(htmlReturnDate))!= -1){
response = response.substring (i + htmlReturnDate.length , response.length);
if (response.substring(0 , 60).indexOf("></td>") != -1) //should be around 58, got spare.
return true;
}
return false;
}
function updateLinkStatus (link, status){
// Put an indication of availability next to a link.
var newSpan = document.createElement('span');
if (status) {
newSpan.innerHTML = " <span style='font-size: 10px; color: #66db00; weight: bold;'> V </span>";
} else {
var hebNotAvailable = String.fromCharCode(1499,1504,1512,1488,1492,32,1488,1497,1503,32,1506,1493,1514,1511,32,1494,1502,1497,1503,46);
newSpan.innerHTML = " <span style='font-size: 10px; color: #a82600; background: #ffb39e;'>" + hebNotAvailable + "</span>";
}
link.parentNode.appendChild(newSpan);
}
allElements = $x("//a[contains(@href,'func=item-global')]");
for (f = 0; f < allElements.length; f++) {
initiateBookQuery (allElements[f]);
}
///////////////////////////////////////////
}//End Encapsulate BookAvailability functionality
, true);
}//end isFind
/*
<!--Due date-->
<td valign=top align=left class="text"></td>
<!--úàøéê äçæøä-->
<td valign=top align=left class="text" DIR="LTR"></td>
*/
//http://genesis.tau.ac.il/F/7CA768S6XN2RQF36U4K89NKT1HUNNI8ASG1AH2V9JJRE3YNIJK-03573?func=item-global&doc_library=TAU01&doc_number=001226110&year=&volume=&sub_library=AC1
//<option value=LIM SELECTED>
//Link to Object
